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Digital Input Module

Assembly

16 or 32 optoisolated input channels reading 24 V DC signals from limit switches, proximity sensors, and push-buttons with surge protection. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Digital Input Module parts and their functions

4 top-level parts · 75 parts in total · full bill of materials below
Digital Input Module parts diagram: 1 DI input PCB, 2 input terminal block, 3 optoisolator channel, 4 connector. 75 parts in 4 top-level items.
Digital Input Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 DI Input PCB 3 parts 1× Microcontroller and optocoupler array reading switch-contact closures, debouncing in hardware, and buffering to the backplane.
2 Input Terminal Block 16× Screw-down connectors
3 Optoisolator Channel 16× 3.3 kV isolation
4 Connector 1× Backplane link

3D model

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Build & assembly graph

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Bill of materials for Digital Input Module

4 top-level lines · 7 rows shown · 75 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 DI Input PCB 3 parts industrial-plc-di-board 1× 1 42 assembly
1.1 Bare PCB pcb-bare 1× 1 · part
1.2 Microcontroller mcu 1× 1 · part
1.3 SMD Passive (R/C/L) smd-passives 40× 40 · part
2 Input Terminal Block industrial-plc-di-terminals 16× 16 · part
3 Optoisolator Channel industrial-plc-di-optocoupler 16× 16 · part
4 Connector connector 1× 1 · part

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Where the digital input module is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks